peak value method 中文意思是什麼

peak value method 解釋
幅頻峰值法
  • peak : vi 1 瘦弱；消瘦，憔悴。2 減少，縮小 （out）。n 1 山峰，山頂；孤山。2 （胡須等的）尖兒；尖端。3 最...
  • value : n 1 價值；重要性；益處。2 估價，評價。3 價格，所值；交換力。4 （郵票的）面值。5 等值；值得花的代...
  • method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. For increasing the effective material peak - value power ( empvp ), solving the contradiction between enhancing the pmsm ' s flux - weakening capability in the electromotor state and reducing the pmsm ' s connatural adjustment ratio in the dynamotor state and improving the efficiency of the pmsm, some solving method are taken as follows : the influence of length / diameter ratio to the empvp is analyzed, and the optimum size of length and diameter is chosen

    主要是從提高電機的有效材料峰值功率、解決pmsm提高電動機運行狀態時的弱磁擴速能力和減小發電機運行狀態時的電壓調整率之間的矛盾及提高電機的效率著手，分析了長徑比、氣隙長度對有效材料峰值功率的影響，並確定了它們的最佳尺寸。
  2. ( 3 ) in order to prove multi - point exciting experiment good, we employ traditional ergography ( hammering method ) to make experiment, peak value pick - up method to modal identification, and compare identification result by hammering method with vibration table experiment. the result revel that vibration table experiment can obtain larger energy and more adequately excite

    在重頻、密頻時、在試驗試件的結構巨大，需要大的能量激勵才能充分激出完全模態時、在一激勵點為某階感興趣模態的節點時，都需要用多點激勵的方法。
  3. The laser power is detected through the pd ’ s movement across the faculous region. when the value of the peak value of laser power is got, the power of the facular boundary points can be found according to definition of the facular boundary such as “ 1 / e ~ 2 ” theory. then the equation of the facular boundary can be made fitting by using the least square method, and calculate the beam divergence at last

    採用兩個光電探測器分別檢測光束不同高度上的兩個光斑，在確定光斑中心最大光強值后，根據光斑截面尺寸的1 / e2定義，得到光斑截面邊界點的光強值，並以其為標準判定光斑截面的邊界點，對探測到的邊界點通過最小二乘法進行擬合，得到橢圓光斑截面的方程，根據空間幾何關系求出發散角。
  4. Method based on component analysis ( peak value pick - up ) and global orthogonal polynomial subsection fitting to obtain system damping ratio, natural frequency and modal shapes is especially described

    著重描述了分量分析法（峰值拾取法）和整體正交多項式分段擬合法提取系統固有頻率及其振型的方法。
  5. Main contents for studying of the paper is : ( 1 ) analysing the outcome, characteristic and the problem of the hot water supplydesign second flow method in the europe and the usa. ( 2 ) it is determined that value frequenly of different fixture use in the period of using water high peak. ( 3 ) the relation between the n and the hot watersupply design second flow is got by applying program to computer under the different probablity

    本課題研究的主要內容為： （ 1 ）分析對比歐美主要國家熱水設計秒流量計算方法的結果、特點及存在的問題； （ 2 ）根據我國居民生活用熱水特點，由用水量標準推算出各類型水用戶用水高峰期的衛生器具使用概率； （ 3 ）編制計算機程序，計算不同使用概率情況下，給水當量與熱水設計秒流量的關系表； （ 4 ）建立熱水設計秒流量q _ g和給水當量n與使用概率p之間的相關關系； （ 5 ）繪制《建築給水排水設計規范》中有關熱水設計秒流量計算方法的計算用圖表。
  6. Based on the analysis about the test requirements and the saturated magnetization of the armor plate, the excitation magnetic circuit satisfying the testing condition and a validation system are designed. because the geometric, of the magnetic leakage at the direction of the normal of the roundness fault has the feature of two peaks : a positive and a negative, using the linear regression and the software matlab, two regression equation are proposed : one is about the peak value of the magnetic leakage and the diameter and depth of the roundness fault ; the other is the distance between the two peaks and the diameter of the roundness fault. the result of the validation system proves that the two equations are valid, and an applied method using for quantificationally inspecting the roundness faults is proposed according to the two equations

    根據實驗要求，通過對鋼板達到飽和磁化的必要性進行的分析，設計了符合試驗條件的勵磁磁路，並設計了一套實驗驗證系統；根據圓形缺陷法線分量漏磁場幾何圖形正負雙峰值的特點，採用線性回歸擬合的原理和matlab軟體及其統計工具箱中的相關函數，給出了圓形缺陷漏磁場幾何圖形的峰峰值與圓形缺陷的直徑和深度以及峰峰值間距與圓形缺陷直徑的兩個回歸擬合方程，並通過實驗驗證系統驗證了擬合方程的正確性，利用這兩個簡單實用的擬合方程，提出了一種工程定量檢測圓形缺陷的應用方案。
  7. We propose a combined slf method to extrapolate feeder load growth by using feeder ' s history peak value and the merits of gray theory and genetic programming ( gp ). at first, we adopt load transfer coupling method to correct load history and its error for load transfer. secondly, we get the real power - supply area by using layer overlap analysis, based on practical feeder path and distribution gis map layer

    將gis的空間信息分析功能應用於配網空間負荷預測的研究：綜合利用灰色理論及遺傳規劃（ geneticprogramming ， gp ）的優點，提出了一種根據饋線的歷史峰值負荷進行外推的組合slf法：首先採用負荷耦合回歸法來修正負荷歷史，消除由於負荷轉移引起的誤差；然後根據實際饋線路徑和配網gis圖形分層，運用圖層疊加分析得到饋線的實際供電范圍；接著採用灰色關聯度聚類方法對饋線負荷增長曲線進行聚類分析；最後採用gp來對灰色聚類結果進行符號回歸，分別得到每一類曲線的最佳擬合曲線形式。
  8. Through processing of digital signals, the energy spectrum of bearing vibration has been obtained, and the gray incidence dynamic matrix being improved, and the energy spectrum of front and rear shafts being analysed by using the said matrix, and the prediction method of maximal peak value of the ball mill ' s coal pulverizing capacity being put forward

    摘要通過數字信號處理獲得軸承振動能量譜，對灰關聯動態矩陣進行了改進並用其對前後軸能量譜進行分析，提出了磨煤機制粉出力的最大峰值的預測方法。
  9. Secondly, the dissertation proposes a novel blind symbol - timing scheme for ofdm systems based on cyclostationarity feature of received symbols. the proposed schemes also exploits the periodicity of ofdm symbol introduced by cyclic prefix, by applying 2 - dimentional fourier transformation and choosing the appropriate correlation peak value as the symbol start location, the precision of this scheme is higher than previous conventional method. thirdly, the dissertation presents analysis with regard to channel estimation of ofdm systems. several interpolation algorithm in ofdm systems which based on pilot sequence have been analyzed in the first instance, and the influence of the channel noise on interpolation precision has discussed. the theoretic analysis and simulation results show that : the interpolation error induced by the precision of interpolation procedure itself has out weight

    第三，論文在ofdm系統的通道估計方面，先對基於導頻的ofdm通道估計中的多種插值方法進行了分析，討論了噪聲對插值精度的影響，指出插值本身的精度所造成的插值誤差遠大於噪聲所帶來的插值誤差，從而階次更高的插值演算法在實用中並非最優的;並指出插值濾波法比變采樣率演算法對噪聲的影響更為敏感，在信噪比較高時插值濾波演算法比變采樣率演算法更優。
  10. The vibration source identification was realized in this paper by analyzing and comparing the train ’ s and the bogie ’ s lateral acceleration. the proposed method can divide into four steps : first adopting the acceleration ’ s peak - peak value entropy comparison method, second peak - peak value cross correlation comparison method, third peak - peak value weight center position comparison method, and the last adopting peak - peak value max - value position comparison method, if still unidentified refuse it

    分為四個步驟:首先用加速度的峰峰值熵比較法進行判別，如果不行則用加速度峰峰值互相關比較法進行判別，如果不行則用加速度峰峰值重心位置比較法進行判別，仍然不行最後用加速度峰峰值最大值位置比較法進行判別，如果仍然不行則拒絕判別。
  11. By analysis of frequency spectrum based on matlab platform, wavelet method in the application of cutting out a section of inputting earthquake wave was presented. in the process of pseudo dynamic test results, the method of non - dimensional representation and analytic representation of hysteretic curve was provided. the above two methods will help to compare dissipation energy capacity of this structure at the different acceleration peak value stage of pseudo dynamic test more precisely and comparably

    通過基於matlab的地震波頻譜分析，說明了小波分析方法在擬動力試西安建築科技大學博士學位論文驗中地震波截取方面的應用；在擬動力分段試驗數據的處理方面，本文將試驗結果的無綱量表示方法以及曲線的多項式擬合法引入滯回曲線的數據處理，這將有助於擬動力試驗不同加速度峰值條件下，各階段結構耗能能力的客觀比較。
  12. This method not only quickens the coding speed, but also improves the peak value signal - to - noise ratio ( psnr )

    不僅加快了編碼速度，而且提高了圖像的峰值信噪比（ psnr ） 。
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